Showing papers in "Mathematical and Computer Modelling in 2011"

TL;DR: In this work, considering the information carried by the membership degree and the non-membership degree in Atanassov's intuitionistic fuzzy sets (IFSs) as a vector representation with the two elements, a cosine similarity measure and a weighted cosine Similarity measure between IFSs are proposed based on the concept of the cosin similarity measure for fuzzy sets.

TL;DR: A general Return on Investment (ROI) model has been developed here taking into consideration various intangible impacts of Cloud Computing, apart from the cost.

TL;DR: The result shows that the land resource demands of urban development and population growth lead to the spatial pattern changes of land use in towns and villages and a method for the simulation of spatial patterns is proposed.

TL;DR: This paper presents a method to extract color and texture features of an image quickly for content-based image retrieval (CBIR), and shows that the fused features retrieval brings better visual feeling than the single feature retrieval, which means better retrieval results.

TL;DR: The proposed multi-criteria decision making approach can be practically applied by logistics operators in deciding on the location of new distribution centers considering the sustainable freight regulations proposed by municipal administrations.

TL;DR: This paper proposes a multi-constrained QoS multicast routing method using the genetic algorithm that will be flooding-limited using the available resources and minimum computation time in a dynamic environment.

TL;DR: The model analysis shows that the spread of an infectious disease can be controlled by using awareness programs but the disease remains endemic due to immigration.

TL;DR: It is shown that the model introduced has nonnegative solutions and a detailed analysis for the asymptotic stability of disease free and positive fixed points is given.

TL;DR: Coupled fixed point theorems in a partially ordered G-metric space are established and the results proved are illustrated with an example.

TL;DR: A stochastic SIR model is explored and it is shown that this model has a unique global positive solution and the asymptotic behavior of this solution is investigated.

TL;DR: Coupled coincidence and coupled common fixed point theorems for a mixed g -monotone mapping satisfying nonlinear contractions in partially ordered G -metric spaces are proved.

TL;DR: The approximate solutions obtained by means of LHPM in a wide range of the problem's domain were compared with those results obtained from the actual solutions, the Homotopy Perturbation Method (HPM) and the finite element method and shows a precise agreement between the results.

TL;DR: A methodology is developed to solve MADM problems using IFSs to solve multiattribute decision making (MADM) problems in which weights of attributes and ratings of alternatives on qualitative and quantitative attributes are expressed with intuitionistic fuzzy sets (IFSs).

TL;DR: A general integral identity for convex functions is derived and some new inequalities of the Simpson and the Hermite–Hadamard type for functions whose absolute values of derivatives are convex are established.

TL;DR: The Laplace Adomian Decomposition Method is implemented to give an approximate solution of nonlinear ordinary differential equation systems, such as a model for HIV infection of CD4^+T cells.

TL;DR: This support vector regression model captures the main insight of statistical learning theory in order to obtain a good prediction of the dependence among the main pollutants in the Aviles urban area.

TL;DR: The mechanisms controlling stem cell self-renewal, maintenance and differentiation are still poorly understood and there exists no general characterization of stem cells based on observable cell properties, so this work addresses these problems with the help of mathematical models.

TL;DR: The proposed approach incorporates the service-specific characteristics to the traditional FMEA, as well as providing the appropriate evaluation framework using grey relational analysis, to help the service managers to manage the service failure within the systematic framework.

TL;DR: This paper presents a recursive least squares (RLS) identification algorithm based on bias compensation technique for multi-input single-output (MISO) systems with colored noises to obtain unbiased recursive estimates of the systems.

TL;DR: The method of matched asymptotic expansions is used to calculate the splitting probability in a three-dimensional domain, defined as the probability of reaching a specific target trap from an initial source point before reaching any of the other traps.

TL;DR: Fixed point theorems for generalized weakly contractive mappings on partial metric spaces are proved, which generalize many previously obtained results.

TL;DR: An improved meta-heuristic based on Imperialist Competitive Algorithm and Genetic Algorithm is proposed to find near optimal solution of the hub-and-spoke network problem with crowdedness or congestion in the system.

TL;DR: A fully adaptive, nonlinear multigrid/finite difference method for efficiently solving the equations of a three-dimensional multispecies diffuse interface model of tumor growth is described and the convergence of the algorithm is demonstrated.

TL;DR: This study is one of the first attempts by researchers to solve a deteriorating inventory problem with a simplified approach and the optimal solutions are compared with the classical methods for solving deteriorating inventory model.

TL;DR: This work is aimed at describing MHD mixed convective heat and mass transfer peristaltic flow through a vertical porous space in the presence of a chemical reaction.

TL;DR: An efficient optimization procedure is proposed to detect multiple damage in structural systems using a modified genetic algorithm with two new operators to accurately detect the locations and extent of the eventual damage.

TL;DR: Numerical simulations reveal the performance and feasibility of the proposed controller and show that the controller guarantees tracking of a time varying reference speed owing to the fact that the speed and current tracking errors asymptotically converge to zero despite all the parameter uncertainties/perturbations and load torque disturbance variation.

TL;DR: Assessment of actual evapotranspiration across a range of land uses in Nansi Lake Wetland, China, using a remote sensing technique and the Surface Energy Balance Algorithm for Land (SEBAL) model demonstrates the considerable potential of SEBAL model for estimation of spatial ETa with little ground-based weather data over large areas such as wetlands.

TL;DR: The sensitivity analysis and comparison with existing approaches sufficiently show the practicality, robustness and efficiency of the new algorithm, which can be applied to different kinds of complex MAGDM problems in reality.

TL;DR: For locally attractive singular interaction potentials, which are singular in the sense that their first derivative is discontinuous at the origin, local non-linear stability of stationary states consisting of a finite sum of Dirac masses is proved.